NOWACK MOTORS has developed three tuning packages for the Mini Cooper S and Cooper S JCW models.
These tuning packages are named the N210, N230 and N260 which point to the different power stage level that can be achieved.
With the N210 The NOWACK Mini Cooper S and JCW are able to deliver 210 PS thanks to an optimized ECU and a free flow air filter while the N230 package increases output to 230 PS due to a remaped ECU and also by adding a stainless steel sport exhaust system.   
The most powerful package is the N260 that enables the NOWACK Mini Cooper S and JCW to produce 260 PS, and this time a number of additional modifications had to be made.
At the exterior the NOWACK Mini Cooper S and JCW received new 18 inch alloy wheels wrapped in performance tires and the tuner is also suggesting their coilover suspension. 
Nowack Motors press release :
Based on the Mini Cooper S, NOWACK MOTORS created their latest tuning packages, the N210, N230 and N260.
The N210 offers a maximum power of 210 PS via an indidividually re-programed ECU and a free flow air filter, and the N230 offers a maximum power of 230 PS via an individually remapped ECU, a high performance stainless steel sport exhaust system and a free flow air filter.
NOWACK MOTOR’s top-of-the-range creation called the N260 transforms the Cooper S into a small but seriously fast sportscar aiming at those with a desire for even more.
The conversion includes NOWACK MOTORS exclusive high performance sport camshafts, a NOWACK MOTORS downpipe, a completely prepared flow optimised cylinderhead, a high performance stainless steel sport exhaust system, an optimized intercooling system, an optimized intake air flow inclusive of a high performance free flow air filter and last, but not least, an individually re-programmed ECU.
Cars that are being converted at NOWACK MOTORS’s premises in Kamp-Lintfort, Germany, are additionally being tested before and after the conversion on NOWACK MOTORS’s inhouse Dynojet chassis dynamometer in order to show each customer the effective power increase of his car.
The main target of NOWACK MOTORS when engineering the new tuning packages for the Cooper S was a smooth, linear
power delivery significantly enhancing power and torque for maximum driving pleasure.
Various different NOWACK MOTORS exclusive Mini power upgrades for the Mini One, the Cooper, the Mini One D and Cooper D additionally offer a wide range of engine performance products for all Mini lovers to choose from.
Various different NOWACK MOTORS suspension upgrades to individually choose from (sport spring kits and complete coilover suspensions), 8,5J x18" NOWACK MOTORS light alloy wheels with tyres 225/40 R 18 (front and rear axle), high performance sport differentials as well as individually engineered and manufactured, bespoke components do complete NOWACK MOTOR’s technical range of products.
For those who wish to travel in style, NOWACK MOTORS also offers complete leather trims made from the fi nest, most exclusive leather qualities available.
Individual Multimedia applications and High-end HiFi-systems provide high level cabin entertainment.

Source: Nowack Motors